Document Type : Research Paper

Authors

• Fatemeh Pakbaz ¹
• Alireza Nematollahi ¹
• Fatemeh Hosseini ²

¹ Department of Statistics, Shiraz University, Shiraz, Iran

² Department of Statistics, Semnan University, Semnan, Iran

Abstract

‎Animal model is a type of mixed-effects model‎, ‎where covariance among data points comes from genetic and environmental effects‎. ‎In this paper, the multivariate normal distribution is assumed for the genetic random effects. A new approximate maximum likelihood method is proposed to obtain the estimates of the genetic variance components and heritability‎. ‎The effectiveness of the proposed method is illustrated through a simulation study.

Keywords

• Maximum Likelihood
• Generalized Linear Mixed Model
• Heritability